12887829

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{1487}}^1$

素因数の和:1606

約数の個数: 20

約数和(自身を含む): 19445184

約数和(自身を除く): 6557355

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 1487, 2889, 4461, 8667, 13383, 40149, 120447, 159109, 477327, 1431981, 4295943, 12887829]

約数ペア:

[(1, 12887829), (3, 4295943), (9, 1431981), (27, 477327), (81, 159109), (107, 120447), (321, 40149), (963, 13383), (1487, 8667), (2889, 4461)]